Hi, The following patches add a queue-length oriented dynamic load balancer, dm-queue-length, which selects a path having the least number of in-flight I/Os. This patch-set can be applied on top of 2.6.29-rc2. Summary of the patch-set: 1/2: dm-mpath: add a path-selector interface 2/2: dm-mpath: add queue-length oriented dynamic load balancer Thanks, Kiyoshi Ueda -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel